The following selected data were taken from the accounting records of Colorado Enterprises: Month Manufacturing Overhead May June July August Machine Hours 50,500 61,800 $ 934,000 1,148,000 77,000 56,500 1,369,900 989,000 Manufacturing overhead consists of three different costs: (1) machine supplies (variable), (2) property taxes (fixed), and (3) plant maintenance (semivariable). July's overhead costs were $175,000 for machine supplies, $24,900 for property taxes, and $1,170,000 for plant maintenance. Required: A. Determine the machine supplies and property taxes for May. B. By using the high-low method, analyze Colorado's plant maintenance cost and calculate the monthly fixed portion and the variable cost per machine hour. C. Assume that present cost behavior patterns continue into future months. Estimate the total amount of manufacturing overhead the company can expect in September if 57,800 machine hours are worked. Note: For all requirements, round intermediate rate calculations to 2 decimal places and all other intermediate calculations to the nearest whole dollar. Round your final answers for "Variable plant maintenance" to 2 decimal places and all other calculations to the nearest whole dollar. A. Machine supplies A. Property taxes B. Plant maintenance in May B. Variable plant maintenance B. Fixed plant maintenance C. Manufacturing overhead per hour